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[单选题]下列哪种作用特点是细胞因子所不具备的
A.网络性
B.重叠性
C.多效性
D.高效性
E.特异性

热门试题:

[单项选择]脐带过短是指脐带短于( )
A. 30cm
B. 50cm
C. 70cm
D. 40cm
E. 60cm
[多选题]中共党内的主观主义有两种,即( )。【多选题】
A.教条主义
B.经验主义
C.冒险主义
D.本本主义
[单选题]每次雷击有三四个冲击至数十个冲击。一次直击雷的全部放电时间一般不超过( )ms。
A. 500
B. 600
C. 800
D. 100
[判断题]在以市场为导向的客户服务理念下,电力企业应建立一个以满足客户需求为核心的整体工作流程,实施整体营销服务。
A.正确
B.错误
[单项选择]银行可以使用久期缺口来测量其资产负债的利率风险,下列关于久期缺口的叙述中不正确的是( )。
A. 当久期为正值时,资产的加权平均久期大于负债的加权平均久期与资产负债率的乘积。
B. 银行资产价值和负债价值的变动方向与市场利率的变动方向一致
C. 银行资产与负债的久期越长,资产与负债价值变动的幅度越大,即利率风险越大
D. 久期缺口的绝对值越大,银行对利率的变化就越敏感,银行的利率风险暴露量也就越大,因而银行最终面临的利率风险越高
[多选题]城市轨道交通车站按按运营性质可分为( )
A.A、折返站
B.B、终点站
C.C、中间站
D.D、换乘站
[填空题]

[听力原文]11-15
Thirty years ago, when I was a small boy, my father arranged me to spend two summer vacations at a farm in South Dakota. He thought it would be good for me, and he was right. It taught me a great deal about the importance of independence. The people who lived there were practically self-sufficient. They raised sheep for wool, wove it into cloth, and built their cabins from wood. The place was so isolated that the owner’s daughter, who must have been in her early twenties, said that she had never been away from home or seen a train.

What did he learn from the life on the farm
He learned a great deal about the importance of()
[多项选择]下面属于劳动就业社会政策内容的是()。 
A. 政府兴建公共工程,增加就业岗位
B. 职业介绍、职业咨询服务
C. 对劳动者权益进行保护
D. 加强职业教育和培训
[单选题]Ⅱ类移动式电气设备和Ⅲ类移动式电气设备修理后()原设计确定的安全技术标准。
A.可以降低
B.不得降低
C.可以稍微降低
[单选题]从业人员有权对本单位安全生产工作中存在的问题提出批评、( )、控告;有权拒绝违章指挥和强令冒险作业。
A.起诉
B.检举
C.仲裁
D.生产忙时可以
[单选题]以下工作于OSI 参考模型数据链路层的设备是______。
A.广域网交换机
B.路由器
C.中继器
D.集线器
[单选题]拧高强度螺栓时,因初拧预拉力值要求比较稳定,以使用(      )扳手为好。
A.示功
B.风动
C.定扭
D.灯光
[单选题]情绪的特点是
A.较稳定的
B.持久存在的
C.带有情境性
D.没有明显的生理变化
E.有明显的生理变化
[单项选择]对话体小说《拉摩的侄儿》的作者是()
A. 伏尔泰
B. 狄德罗
C. 卢梭
D. 菲尔丁
[单选题]焊接切割过程中,若发生回火时,应采取的措施是()。
A.立即关闭焊、割炬乙炔阀,然后再关闭氧气阀
B.立即关闭焊、割炬氧气阀,然后再关闭乙炔阀;
C.立即将焊割炬放入水中;
D.立即关闭氧气瓶阀
[单选题]变频器的内部电源普遍使用(    )稳压电源。
A.开关
B.线性
C.感应
D.隔离
[简答题]对电动机的接地线和接零线有哪些要求?
[单项选择] Questions 62 to 66 are based on the following passage.
No one should be forced to wear a uniform under any circumstances. Uniforms are demanding to the human spirit and totally unnecessary in a democratic society. Uniforms tell the world that the person who wears one has no value as an individual but only lives to function as a part of a whole. The individual in a uniform loses all self-worth.
There are those who say that wearing a uniform gives a person a sense of identification with a larger, more important concept. What could be more important than the individual himself If an organization is so weak that it must rely on cloth and buttons to inspire its members, that organization has no right to continue its existence. Others say that the practice of making persons wear uniforms, say in a school, eliminates all envy and competition in the matter of dress, such that a poor person who cannot afford good-quality clothing is not to be belittled by a wealthy per
A. importance
B. meaning
C. self-value
D. pride
[判断题]电流流过人体的路径,从左脚至右脚的电流路径危险性小,但人体可能因痉挛而摔倒,导致人体通过全身或发生二次事故而产生严重后果。
A.正确
B.错误
[判断题]在社区营销中,宣传策划要有实惠,目的是为了给客户一个购买的理由。
A.正确
B.错误
[单选题]电动工具的电气部分经维修后,应进行()。
A.绝缘电阻测量及绝缘耐压试验
B.绝缘电阻测量
C.绝缘耐压试验
D.绝缘电阻测量或绝缘耐压试验
E.略
F.略
[单项选择]在正等轴测投影中,平行二直线的投影()。
A. 相交
B. 交叉
C. 平行
D. 任意位置
[单项选择]Medicine 1. Medicine is the science and art of healing. It is a science because it is based on knowledge gained through careful study and experimentation. It is an art because it depends on how skillfully doctors and other medical workers apply this knowledge when dealing with patients. 2. The goals of medicine are to save lives, to relieve suffering, and to maintain the dignity of ill individuals. For this reason, medicine has long been one of the most respected professions. Thousands of men and women who work in the medical profession spend their lives caring for the sick. When disaster strikes, hospital workers rush emergency aid to the injured. When epidemics threaten, doctors and nurses work to prevent the spread of disease. Researchers in the medical profession continually search for better ways of fighting disease. 3. Human beings have suffered from illnesses since they first appeared on the earth. Throughout most of this time, they knew little about how the human bo
[单项选择]下列哪项不是心肌的特点()
A. 心房肌薄
B. 心室肌肥厚
C. 右室肌最厚
D. 左室肌最厚
E. 心房和心室的心肌层不直接相连
[判断题] 运行控制原则:通风机低速与高速运行的电路互锁。( )
A.正确
B.错误
[单选题]触电急救法必须分秒必争,立即就地迅速用()进行抢救。
A.打氧气
B.心肺复苏法
C.按压心脏
D.药品
[单项选择]
The rise of "temp" work has further magnified the decreasing fights and alienation of the worker. It is common corporate practice to phase out full-time employees and hire temporary workers to take on more workload in less time. When facing a pressing deadline, a corporation may pay $15~$ 20 per hour for a temp worker, but the temp worker will only see $ 7 or $ 8 of that money. The rest goes to temp agency, which is usually a corporate chain, such as Kelly Services, that blatantly makes its profits off other people’s labor. This increases profits of the corporations because they can increase a workload, get rid of the employee when they’re finished, and not worry about paying benefits or unemployment for that employee. I have had to work with temps a few times in my current position, and the workers only want one thing - a full-time job with benefits. We rea
A. show how much the capitalist bosses distrust temp workers
B. reveal that temp workers are living in misery
C. arouse reader’s hatred for the capitalists
D. severely criticize the ignorance of the temp workers
[单项选择]下列原始凭证中属于外来原始凭证的是()。
A. 产品入库单、领料单
B. 工资汇总表
C. 发出材料汇总表
D. 银行收款通知
[判断题]进站色灯复示信号机两个月白色灯光水平位置显示,表示主体信号机显示经道岔侧向位置接车的信号。
A.正确
B.错误
[单项选择]A centrifugal fuel oil purifier should be shut down if ()
A. more sealing water is needed
B. the cover clamp needs tightening
C. the purifier has a bad vibration when started
D. water is discharged from the overflow line
[单项选择]有关脊柱正位影像解剖的叙述,错误的是
A. 椎体呈长方形,骨皮质密度均匀
B. 棘突呈水平线状致密影
C. 椎体上下缘的致密线影为终板
D. 椎体间的透亮间隙为椎间隙
E. 椎弓根的上下方为上下关节突的影像
[单选题]重大危险源的风险分析评价包括辨识各类( )及其原因和机制
A.危险因素
B.事故因素
C.事故评价
D.管理因素
[判断题]现场高压验电前,验电器应先在放电设备上试验,确认证验电器良好;无法在有电设备上试验时,可用工频高压发生器等确证验电器良好。
A.正确
B.错误
[填空题]汽轮机发生水冲击时,导致轴向推力急剧增大的原因是蒸汽中携带的大量水分在叶片汽道形成()。
[单选题]患者,女,75岁。多脏器功能衰竭,表现为意识模糊,肌张力消失,心音低钝,血压9.3/5.3kPa(70/40mmHg),潮式呼吸,判断患者处于( )
A.濒死期
B.临床死亡期
C.生物学死亡期
D.生理学死亡期
E.脑死亡期
[简答题]北京产假工资怎么计算?
[单选题]膀胱癌放疗急性反应主要是
A.膀胱炎,直肠炎
B.膀胱出血
C.膀胱直肠瘘
D.膀胱阴道瘘
[单选题]《节能产品政府采购实施意见 》将按照积极稳妥、分步实施的办法,逐步扩大到全国范围。2005年在中央一级预算单位和省级(含计划单列市)预算单位实行,2006年扩大到中央二级预算单位和地市一级预算单位实行,( )年全面实行。
A.2008
B.2009
C.2010
D.2007

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